“Hijacking a thread” forum etiquette

There are several definitions/methods of hijacking a thread, any and all are considered poor forum etiquette.

Several examples;

Asking a new question that is completely off topic to the original thread post.

Two (2) or more members begin “chatting” in a separate “personal” conversation.

Why the concern about “Hijacking threads”?

Users join threads because they find a thread compelling and feel they must get involved. A number of users sign on, hit "Today’s Active Topics" and read the few of interest to them. But, if the thread is titled for one topic and changes a few posts in, chances are only a very few people are ever going to see it, however marvelous and useful it ends up being.

Also, it isn't fair to the originator of the thread, since many are reluctant to interrupt an ongoing conversation, even if it's just to return to the title topic.

Yes, you can even hijack your own thread. I guess the thought process is something like "I started this thread, I'll discuss what I please". This is self-defeating, since once a thread is off-topic most will lose interest and never return, even if it drifts back.

Give a little consideration to other posters and readers. You can always start a new thread based on an off-shoot of an ongoing thread.

Thanks

P. S. If a thread is "hijacked" the hijacking post(s) may be edited and labeled with a friendly reminder or it may be removed/deleted.